Leonard H. Wexler, MD
Pediatric Hematology & Oncology Physician · New York, NY
Leonard H. Wexler, MD is a pediatric hematology & oncology physician with a practice address in New York, New York, and NPI 1831161181, issued on Feb 2, 2006. Check the license (New York 168581, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonard H. Wexler
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License numbers
- 168581 NY
25MA06529800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10021
- Phone
- (212) 639-7990
- Enumerated
- Feb 2, 2006
- Record last updated
- Aug 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20110222000172); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 289 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David H Abramson, MDOphthalmology Physician1235114026
- Sara Abramson, MDDiagnostic Radiology Physician1497733133
- Lauren Abrey, MDNeurology Physician1336110360
- Nadeem Abu-Rustum, MDGynecologic Oncology Physician1164407540
Verify Leonard H. Wexler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 168581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Memorial Pediatric GroupNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard H. Wexler among 289 pediatric hematology & oncology physician records in New York
Leonard H. Wexler, MD is one of 289 pediatric hematology & oncology physician records with a practice address in New York. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 56% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1985 · median 2006 among the 85 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in New York
There are 289 pediatric hematology & oncology physician records in New York.
All 289 in New York → Every provider in New York → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Farid Boulad, MDNew York, NY 100211619948353
- James Bussel, MDNew York, NY 100211063509156
- Elizabeth Calleja, MDNew York, NY 100211508837246
- Nai-Kong Cheung, MDNew York, NY 100211699746115
- Donna Dimichele, MDNew York, NY 100211790872877
- Ira Dunkel, MDNew York, NY 100211003887746
- Nancy Kernan, MDNew York, NY 100211740251339
- Kim Kramer, MDNew York, NY 100211669443040
Common questions
What is Leonard H. Wexler, MD's NPI number?
Leonard H. Wexler, MD's National Provider Identifier (NPI) is 1831161181, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard H. Wexler, MD located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10021. Phone: (212) 639-7990. Providers update this record themselves, so call before visiting.
How can I verify Leonard H. Wexler, MD's license?
NPPES lists New York license number 168581, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.